| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef CHROME_BROWSER_EXTENSIONS_EXTENSION_UNINSTALL_DIALOG_H_ |
| #define CHROME_BROWSER_EXTENSIONS_EXTENSION_UNINSTALL_DIALOG_H_ |
| |
| #include "base/basictypes.h" |
| #include "base/compiler_specific.h" |
| #include "base/memory/scoped_ptr.h" |
| #include "base/memory/weak_ptr.h" |
| #include "content/public/browser/notification_observer.h" |
| #include "content/public/browser/notification_registrar.h" |
| #include "ui/gfx/image/image_skia.h" |
| |
| class Browser; |
| class Profile; |
| |
| namespace base { |
| class MessageLoop; |
| } |
| |
| namespace extensions { |
| class Extension; |
| } |
| |
| namespace gfx { |
| class Image; |
| } |
| |
| class ExtensionUninstallDialog |
| : public content::NotificationObserver, |
| public base::SupportsWeakPtr<ExtensionUninstallDialog> { |
| public: |
| class Delegate { |
| public: |
| // We call this method to signal that the uninstallation should continue. |
| virtual void ExtensionUninstallAccepted() = 0; |
| |
| // We call this method to signal that the uninstallation should stop. |
| virtual void ExtensionUninstallCanceled() = 0; |
| |
| protected: |
| virtual ~Delegate() {} |
| }; |
| |
| // Creates a platform specific implementation of ExtensionUninstallDialog. |
| // |profile| and |delegate| can never be NULL. |
| // |browser| can be NULL only for Ash when this is used with the applist |
| // window. |
| static ExtensionUninstallDialog* Create(Profile* profile, |
| Browser* browser, |
| Delegate* delegate); |
| |
| virtual ~ExtensionUninstallDialog(); |
| |
| // This is called to verify whether the uninstallation should proceed. |
| // Starts the process of showing a confirmation UI, which is split into two. |
| // 1) Set off a 'load icon' task. |
| // 2) Handle the load icon response and show the UI (OnImageLoaded). |
| void ConfirmUninstall(const extensions::Extension* extension); |
| |
| protected: |
| // Constructor used by the derived classes. |
| ExtensionUninstallDialog(Profile* profile, |
| Browser* browser, |
| Delegate* delegate); |
| |
| Profile* const profile_; |
| |
| Browser* browser_; |
| |
| // The delegate we will call Accepted/Canceled on after confirmation dialog. |
| Delegate* delegate_; |
| |
| // The extension we are showing the dialog for. |
| const extensions::Extension* extension_; |
| |
| // The extensions icon. |
| gfx::ImageSkia icon_; |
| |
| private: |
| // Sets the icon that will be used in the dialog. If |icon| contains an empty |
| // image, then we use a default icon instead. |
| void SetIcon(const gfx::Image& image); |
| |
| void OnImageLoaded(const gfx::Image& image); |
| |
| // content::NotificationObserver implementation. |
| virtual void Observe(int type, |
| const content::NotificationSource& source, |
| const content::NotificationDetails& details) OVERRIDE; |
| |
| // Displays the prompt. This should only be called after loading the icon. |
| // The implementations of this method are platform-specific. |
| virtual void Show() = 0; |
| |
| // Keeps track of whether we're still waiting for an image to load before |
| // we show the dialog. |
| enum State { |
| kImageIsLoading, // Image is loading asynchronously. |
| kDialogIsShowing, // Dialog is shown after image is loaded. |
| kBrowserIsClosing // Browser is closed while image is still loading. |
| }; |
| State state_; |
| |
| base::MessageLoop* ui_loop_; |
| |
| content::NotificationRegistrar registrar_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ExtensionUninstallDialog); |
| }; |
| |
| #endif // CHROME_BROWSER_EXTENSIONS_EXTENSION_UNINSTALL_DIALOG_H_ |